Title: 2015 ACVIM Forum Research Abstract Program Document date: 2015_5_27
ID: 3pnuj5ru_175
Snippet: CT studies using 0.63 mm slice thickness were performed from T12 to L3 vertebral segments in 6 medium sized cadavers. A bilateral dorsal approach of the thoracolumbar spine was used to simulate exposure of the same vertebrae. Stereotactic navigation was achieved with commercially available neuronavigation software. A novel subject tracker and 3-dimentional CT reconstructions were used for the registration process. A mechanized air drill allowed f.....
Document: CT studies using 0.63 mm slice thickness were performed from T12 to L3 vertebral segments in 6 medium sized cadavers. A bilateral dorsal approach of the thoracolumbar spine was used to simulate exposure of the same vertebrae. Stereotactic navigation was achieved with commercially available neuronavigation software. A novel subject tracker and 3-dimentional CT reconstructions were used for the registration process. A mechanized air drill allowed for a bicortical vertebral body trajectory via CT guided navigation. Stereotactic guided trajectories were stored. A Steinmann pin was placed into the drill hole to trace the trajectory with a post-operative CT. Vertebral bodies were disarticulated and removed to visually examine for canal violation. Stereotactic guided trajectory and postoperative CT trajectory angle and depth values were compared statistically a using Wilcox rank sum analysis at a significance value of 0.05.
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